POTATOES ARE HOLLOW INSIDE – HOW TO FIGHT?
Potatoes have grown well this year. But when they started cutting large tubers, many ended up with hollows inside. At the same time, they have no defects on the outside and are not rotten. Olga
0answered by Natalya Solonovich, scientist agronomist
A hollow (hollow) core is a common physiological disorder in fast-growing, early-ripening tubers. Most often it occurs when growing potatoes on richly fertilized soils due to an excess of nitrogen in the diet and a lack of potassium and phosphorus. Especially when growing conditions change dramatically during the season, as they did in the past: excessive rainfall, low temperatures in May - June and dryness in August.
The following measures will help prevent the appearance of hollowness in tubers:
- growing varieties with high resistance to it (productive, but with medium-sized tubers);
- adding organic matter no more than once every three years. The share of nitrogenous fertilizers should be approximately 1 times lower than the doses of phosphorus and potassium;
- thickening of plantings after applying large amounts
- doses of fertilizers. No more than 30 cm is left between the holes. The rows can be doubled into ridges up to 50 cm wide, leaving 70-90 cm between the rows;
- high hilling or thick-layer mulching of plantings.
- Another reason for hollowness is a lack of boron (most often observed on sandy and sandy loam soils). This trace element is contained in ash. It is best to apply it during planting and after flowering, but not more than 20-25 g per bush. Excess ash causes scab.
- If hollow potatoes regularly ripen on the site, it is recommended to spray the tubers with a solution of boric acid (2 g per 1 liter of water) before planting.
Reference by topic: Why do potatoes grow lumpy?
A POTATO GROWED HOLLOW INSIDE – VIDEO
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